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authorAdam Frisby2007-04-06 18:48:23 +0000
committerAdam Frisby2007-04-06 18:48:23 +0000
commitfb0dffbf13a79aabe9537f16b7bb151af62c75bf (patch)
tree28a8d468e5499a7af1e33eec7bbdeb9e82ae8732 /OpenSim.Terrain.BasicTerrain
parentAnd now for some solution files... (diff)
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**BREAKING CHANGE** Changing the way terrain is stored and used internally.
Diffstat (limited to '')
-rw-r--r--OpenSim.Terrain.BasicTerrain/Hills.cs72
-rw-r--r--OpenSim.Terrain.BasicTerrain/OpenSim.Terrain.BasicTerrain.csproj4
-rw-r--r--OpenSim.Terrain.BasicTerrain/RaiseLower.cs91
-rw-r--r--OpenSim.Terrain.BasicTerrain/TerrainEngine.cs64
-rw-r--r--OpenSim.Terrain.BasicTerrain/TerrainManager.cs11
-rw-r--r--OpenSim.Terrain.BasicTerrain/bin/Debug/OpenSim.Terrain.BasicTerrain.dllbin0 -> 16384 bytes
-rw-r--r--OpenSim.Terrain.BasicTerrain/bin/Debug/OpenSim.Terrain.BasicTerrain.pdbbin0 -> 19968 bytes
-rw-r--r--OpenSim.Terrain.BasicTerrain/obj/Debug/OpenSim.Terrain.BasicTerrain.dllbin0 -> 16384 bytes
-rw-r--r--OpenSim.Terrain.BasicTerrain/obj/Debug/OpenSim.Terrain.BasicTerrain.pdbbin0 -> 19968 bytes
-rw-r--r--OpenSim.Terrain.BasicTerrain/obj/OpenSim.Terrain.BasicTerrain.csproj.FileList.txt5
10 files changed, 235 insertions, 12 deletions
diff --git a/OpenSim.Terrain.BasicTerrain/Hills.cs b/OpenSim.Terrain.BasicTerrain/Hills.cs
new file mode 100644
index 0000000..40543a9
--- /dev/null
+++ b/OpenSim.Terrain.BasicTerrain/Hills.cs
@@ -0,0 +1,72 @@
1using System;
2using System.Collections.Generic;
3using System.Text;
4
5namespace OpenSim.Terrain.BasicTerrain
6{
7 static class Hills
8 {
9 /// <summary>
10 /// Generates a series of spheres which are then either max()'d or added together. Inspired by suggestion from jh.
11 /// </summary>
12 /// <remarks>3-Clause BSD Licensed</remarks>
13 /// <param name="number">The number of hills to generate</param>
14 /// <param name="scale_min">The minimum size of each hill</param>
15 /// <param name="scale_range">The maximum size of each hill</param>
16 /// <param name="island">Whether to bias hills towards the center of the map</param>
17 /// <param name="additive">Whether to add hills together or to pick the largest value</param>
18 /// <param name="noisy">Generates hill-shaped noise instead of consistent hills</param>
19 public static void hillsSpheres(float[,] map,int seed, int number, double scale_min, double scale_range, bool island, bool additive, bool noisy)
20 {
21 Random random = new Random(seed);
22 int w = map.GetLength(0);
23 int h = map.GetLength(1);
24 int x, y;
25 int i;
26
27 for (i = 0; i < number; i++)
28 {
29 double rx = Math.Min(255.0, random.NextDouble() * w);
30 double ry = Math.Min(255.0, random.NextDouble() * h);
31 double rand = random.NextDouble();
32
33 if (island)
34 {
35 // Move everything towards the center
36 rx -= w / 2;
37 rx /= 2;
38 rx += w / 2;
39
40 ry -= h / 2;
41 ry /= 2;
42 ry += h / 2;
43 }
44
45 for (x = 0; x < w; x++)
46 {
47 for (y = 0; y < h; y++)
48 {
49 if (noisy)
50 rand = random.NextDouble();
51
52 double z = (scale_min + (scale_range * rand));
53 z *= z;
54 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
55
56 if (z < 0)
57 z = 0;
58
59 if (additive)
60 {
61 map[x, y] += (float)z;
62 }
63 else
64 {
65 map[x, y] = (float)Math.Max(map[x, y], z);
66 }
67 }
68 }
69 }
70 }
71 }
72}
diff --git a/OpenSim.Terrain.BasicTerrain/OpenSim.Terrain.BasicTerrain.csproj b/OpenSim.Terrain.BasicTerrain/OpenSim.Terrain.BasicTerrain.csproj
index 4da1ede..2103902 100644
--- a/OpenSim.Terrain.BasicTerrain/OpenSim.Terrain.BasicTerrain.csproj
+++ b/OpenSim.Terrain.BasicTerrain/OpenSim.Terrain.BasicTerrain.csproj
@@ -33,7 +33,9 @@
33 <Reference Include="System.Xml" /> 33 <Reference Include="System.Xml" />
34 </ItemGroup> 34 </ItemGroup>
35 <ItemGroup> 35 <ItemGroup>
36 <Compile Include="TerrainManager.cs" /> 36 <Compile Include="Hills.cs" />
37 <Compile Include="RaiseLower.cs" />
38 <Compile Include="TerrainEngine.cs" />
37 <Compile Include="Properties\AssemblyInfo.cs" /> 39 <Compile Include="Properties\AssemblyInfo.cs" />
38 </ItemGroup> 40 </ItemGroup>
39 <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" /> 41 <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
diff --git a/OpenSim.Terrain.BasicTerrain/RaiseLower.cs b/OpenSim.Terrain.BasicTerrain/RaiseLower.cs
new file mode 100644
index 0000000..384bcc0
--- /dev/null
+++ b/OpenSim.Terrain.BasicTerrain/RaiseLower.cs
@@ -0,0 +1,91 @@
1using System;
2using System.Collections.Generic;
3using System.Text;
4
5namespace OpenSim.Terrain.BasicTerrain
6{
7 static class RaiseLower
8 {
9 /// <summary>
10 /// Raises land around the selection
11 /// </summary>
12 /// <param name="rx">The center the X coordinate of where you wish to raise the land</param>
13 /// <param name="ry">The center the Y coordinate of where you wish to raise the land</param>
14 /// <param name="size">The radius of the dimple</param>
15 /// <param name="amount">How much impact to add to the terrain (0..2 usually)</param>
16 public static void raise(float[,] map, double rx, double ry, double size, double amount)
17 {
18 raiseSphere(map, rx, ry, size, amount);
19 }
20
21 /// <summary>
22 /// Raises land in a sphere around the selection
23 /// </summary>
24 /// <param name="rx">The center the X coordinate of where you wish to raise the land</param>
25 /// <param name="ry">The center the Y coordinate of where you wish to raise the land</param>
26 /// <param name="size">The radius of the sphere dimple</param>
27 /// <param name="amount">How much impact to add to the terrain (0..2 usually)</param>
28 public static void raiseSphere(float[,] map, double rx, double ry, double size, double amount)
29 {
30 int x, y;
31 int w = map.GetLength(0);
32 int h = map.GetLength(1);
33
34 for (x = 0; x < w; x++)
35 {
36 for (y = 0; y < h; y++)
37 {
38 double z = size;
39 z *= z;
40 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
41
42 if (z < 0)
43 z = 0;
44
45 map[x, y] += (float)(z * amount);
46 }
47 }
48 }
49
50 /// <summary>
51 /// Lowers land in a sphere around the selection
52 /// </summary>
53 /// <param name="rx">The center the X coordinate of where you wish to lower the land</param>
54 /// <param name="ry">The center the Y coordinate of where you wish to lower the land</param>
55 /// <param name="size">The radius of the sphere dimple</param>
56 /// <param name="amount">How much impact to remove from the terrain (0..2 usually)</param>
57 public static void lower(float[,] map, double rx, double ry, double size, double amount)
58 {
59 lowerSphere(map, rx, ry, size, amount);
60 }
61
62 /// <summary>
63 /// Lowers land in a sphere around the selection
64 /// </summary>
65 /// <param name="rx">The center the X coordinate of where you wish to lower the land</param>
66 /// <param name="ry">The center the Y coordinate of where you wish to lower the land</param>
67 /// <param name="size">The radius of the sphere dimple</param>
68 /// <param name="amount">How much impact to remove from the terrain (0..2 usually)</param>
69 public static void lowerSphere(float[,] map, double rx, double ry, double size, double amount)
70 {
71 int x, y;
72 int w = map.GetLength(0);
73 int h = map.GetLength(1);
74
75 for (x = 0; x < w; x++)
76 {
77 for (y = 0; y < h; y++)
78 {
79 double z = size;
80 z *= z;
81 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
82
83 if (z < 0)
84 z = 0;
85
86 map[x, y] -= (float)(z * amount);
87 }
88 }
89 }
90 }
91}
diff --git a/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs b/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs
new file mode 100644
index 0000000..f805d18
--- /dev/null
+++ b/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs
@@ -0,0 +1,64 @@
1using System;
2using System.Collections.Generic;
3using System.Text;
4using OpenSim.Terrain.BasicTerrain;
5
6namespace OpenSim.Terrain
7{
8 public class TerrainEngine
9 {
10 public float[,] map;
11 public float[,] water;
12 int w, h;
13
14 public TerrainEngine()
15 {
16 w = 256;
17 h = 256;
18 map = new float[w, h];
19 water = new float[w, h];
20
21 }
22
23 /// <summary>
24 /// Swaps the references between the height and water buffers to allow you to edit the water heightmap. Remember to swap back when you are done.
25 /// </summary>
26 public void swapWaterBuffer()
27 {
28 float[,] temp = map;
29 map = water;
30 water = temp;
31 }
32
33 /// <summary>
34 /// Raises land in a sphere around the specified coordinates
35 /// </summary>
36 /// <param name="rx">Center of the sphere on the X axis</param>
37 /// <param name="ry">Center of the sphere on the Y axis</param>
38 /// <param name="size">The radius of the sphere</param>
39 /// <param name="amount">Scale the height of the sphere by this amount (recommended 0..2)</param>
40 public void raise(double rx, double ry, double size, double amount)
41 {
42 lock (map)
43 {
44 RaiseLower.raiseSphere(this.map, rx, ry, size, amount);
45 }
46 }
47 public void lower(double rx, double ry, double size, double amount)
48 {
49 lock (map)
50 {
51 RaiseLower.lowerSphere(this.map, rx, ry, size, amount);
52 }
53 }
54
55 public void hills()
56 {
57 lock (map)
58 {
59 Hills.hillsSpheres(this.map, 1337, 200, 20, 40, true, true, false);
60 }
61 }
62
63 }
64}
diff --git a/OpenSim.Terrain.BasicTerrain/TerrainManager.cs b/OpenSim.Terrain.BasicTerrain/TerrainManager.cs
deleted file mode 100644
index 65880eb..0000000
--- a/OpenSim.Terrain.BasicTerrain/TerrainManager.cs
+++ /dev/null
@@ -1,11 +0,0 @@
1using System;
2using System.Collections.Generic;
3using System.Text;
4
5namespace OpenSim.Terrain
6{
7 public class TerrainManager
8 {
9
10 }
11}
diff --git a/OpenSim.Terrain.BasicTerrain/bin/Debug/OpenSim.Terrain.BasicTerrain.dll b/OpenSim.Terrain.BasicTerrain/bin/Debug/OpenSim.Terrain.BasicTerrain.dll
new file mode 100644
index 0000000..0cfa595
--- /dev/null
+++ b/OpenSim.Terrain.BasicTerrain/bin/Debug/OpenSim.Terrain.BasicTerrain.dll
Binary files differ
diff --git a/OpenSim.Terrain.BasicTerrain/bin/Debug/OpenSim.Terrain.BasicTerrain.pdb b/OpenSim.Terrain.BasicTerrain/bin/Debug/OpenSim.Terrain.BasicTerrain.pdb
new file mode 100644
index 0000000..ce440c6
--- /dev/null
+++ b/OpenSim.Terrain.BasicTerrain/bin/Debug/OpenSim.Terrain.BasicTerrain.pdb
Binary files differ
diff --git a/OpenSim.Terrain.BasicTerrain/obj/Debug/OpenSim.Terrain.BasicTerrain.dll b/OpenSim.Terrain.BasicTerrain/obj/Debug/OpenSim.Terrain.BasicTerrain.dll
new file mode 100644
index 0000000..0cfa595
--- /dev/null
+++ b/OpenSim.Terrain.BasicTerrain/obj/Debug/OpenSim.Terrain.BasicTerrain.dll
Binary files differ
diff --git a/OpenSim.Terrain.BasicTerrain/obj/Debug/OpenSim.Terrain.BasicTerrain.pdb b/OpenSim.Terrain.BasicTerrain/obj/Debug/OpenSim.Terrain.BasicTerrain.pdb
new file mode 100644
index 0000000..ce440c6
--- /dev/null
+++ b/OpenSim.Terrain.BasicTerrain/obj/Debug/OpenSim.Terrain.BasicTerrain.pdb
Binary files differ
diff --git a/OpenSim.Terrain.BasicTerrain/obj/OpenSim.Terrain.BasicTerrain.csproj.FileList.txt b/OpenSim.Terrain.BasicTerrain/obj/OpenSim.Terrain.BasicTerrain.csproj.FileList.txt
new file mode 100644
index 0000000..4728b51
--- /dev/null
+++ b/OpenSim.Terrain.BasicTerrain/obj/OpenSim.Terrain.BasicTerrain.csproj.FileList.txt
@@ -0,0 +1,5 @@
1bin\Debug\OpenSim.Terrain.BasicTerrain.dll
2bin\Debug\OpenSim.Terrain.BasicTerrain.pdb
3obj\Debug\ResolveAssemblyReference.cache
4obj\Debug\OpenSim.Terrain.BasicTerrain.dll
5obj\Debug\OpenSim.Terrain.BasicTerrain.pdb
generated by cgit v1.1 at 2024-11-14 00:56:10 +0000